1, you can go to Chengdu Gemstone Identification Station for identification. But the gem appraisal station will not tell you the price or value of jade, but only the material of this jade and whether it is artificially colored.

2. The second floor of jewelry quality inspection of Chengdu Bureau of Quality and Technical Supervision. If there are many batches of authentication certificates, 10 yuan is probably needed. Only one is about 100 to 150. Work on Saturday and weekend, but it is recommended that you arrive at 1 1 from Monday to Friday, and from 2: 30 to 4: 30 pm. The price source network is for reference only.

3. As for the authenticity of the certificate appraisal, it mainly depends on the following points: whether the first line of the jade appraisal certificate has a capitalized "CMA" national measurement certification mark, and C contains "MA"; It also depends on whether there are two kinds of accreditation: "California Institute of Technology" and "CNAS" laboratories.

4. Fengxiang Building can be, that is, Fengxiang Building, a special jewelry on Chunxi Road. The entrance to the second floor is the maintenance department, and all kinds of repairs can be made.